Shanghai Gongji Chemical Co., Ltd. founded in?2007, is located in the Pudong New District,Shanghai. It is a green fine?chemical enterprise that is incorporating with developing, manufacturing and marketing.?The company is specialized in the development and production of iron salt and copper salt products. Iron salt products mainly include: High purity ferric chloride hexahydrate、Ferric sulphate、Ferrous chloride tetrahydrate、Ferrous sulphate heptahydrate、High purity ferrous carbonate、High ...